|Image Name||Width x Height||Size|
|SIA3599.jpg||478 x 640||88K|
|SIA3599.jpg||896 x 1200||270K|
|SIA3599.jpg||3532 x 4735||2M|
This is a digitally modified image from "Ancient Monuments of the Mississippi Valley" in the "Smithsonian Contributions to Knowledge", Volume 1. In order to better show the features it has been colorized and a distance marker has been added.